living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Nemertea Schultze, 1851 - ribbon worms
           Class Enopla Schultze, 1851
             Order Hoplonemertea Hubrecht, 1879
               Suborder Monostilifera Brinkmann, 1917
                 Family Ototyphlonemertidae Bürger, 1895
                   Genus Ototyphlonemertes Diesing, 1863
                     1 Ototyphlonemertes spiralis Coe, 1940
                     2 Ototyphlonemertes evelinae Corrêa, 1948
                     3 Ototyphlonemertes antipai Müller, 1968
                     4 Ototyphlonemertes duplex Bürger, 1895
                     5 Ototyphlonemertes pellucida Coe, 1943
                     6 Ototyphlonemertes lactea Corrêa, 1954